gcc/config/i386/netware.h

   1 /* Core target definitions for GCC for Intel 80x86 running Netware.
   2    and using dwarf for the debugging format.
   3    Copyright (C) 1993, 1994, 2004, 2007 Free Software Foundation, Inc.
   4
   5    Written by David V. Henkel-Wallace (gumby@cygnus.com)
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 3, or (at your option)
  12 any later version.
  13
  14 GCC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 #define TARGET_VERSION fprintf (stderr, " (x86 NetWare)");
  24
  25 #undef  CPP_SPEC
  26 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
  27
  28 #undef  LIB_SPEC
  29 #define LIB_SPEC ""
  30
  31 /* Kinda useless, but what the hell */
  32 #undef  LINK_SPEC
  33 #define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
  34                    %{b} \
  35                    %{Qy:} %{!Qn:-Qy}"
  36
  37 #undef  STARTFILE_SPEC
  38 #define STARTFILE_SPEC ""
  39
  40 #undef  ENDFILE_SPEC
  41 #define ENDFILE_SPEC ""
  42
  43 #undef  RELATIVE_PREFIX_NOT_LINKDIR
  44 #undef  LIBGCC_SPEC
  45
  46 #define TARGET_OS_CPP_BUILTINS()                                        \
  47   do                                                                    \
  48     {                                                                   \
  49         builtin_define_std ("IAPX386");                                 \
  50         builtin_define ("_M_IX86=300");                                 \
  51         builtin_define ("__netware__");                                 \
  52         builtin_assert ("system=netware");                              \
  53         builtin_define ("__ELF__");                                     \
  54         builtin_define ("__cdecl=__attribute__((__cdecl__))");          \
  55         builtin_define ("__stdcall=__attribute__((__stdcall__))");      \
  56         builtin_define ("__fastcall=__attribute__((__fastcall__))");    \
  57         if (!flag_iso)                                                  \
  58           {                                                             \
  59             builtin_define ("_cdecl=__attribute__((__cdecl__))");       \
  60             builtin_define ("_stdcall=__attribute__((__stdcall__))");   \
  61             builtin_define ("_fastcall=__attribute__((__fastcall__))"); \
  62           }                                                             \
  63     }                                                                   \
  64   while (0)
  65
  66 #undef TARGET_CPU_DEFAULT
  67 #define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_pentium4
  68
  69 /* By default, target has a 80387, uses IEEE compatible arithmetic,
  70    returns float values in the 387, and uses MSVC bit field layout. */
  71 #undef TARGET_SUBTARGET_DEFAULT
  72 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | \
  73         MASK_FLOAT_RETURNS | MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
  74
  75 #undef MATH_LIBRARY
  76 #define MATH_LIBRARY ""
  77
  78 /* Align doubles and long-longs in structures on qword boundaries.  */
  79 #undef BIGGEST_FIELD_ALIGNMENT
  80 #define BIGGEST_FIELD_ALIGNMENT 64
  81
  82 #undef DEFAULT_PCC_STRUCT_RETURN
  83 #define DEFAULT_PCC_STRUCT_RETURN 0
  84
  85 /* Implicit arguments pointing to aggregate return values are to be
  86    removed by the caller.  */
  87 #undef KEEP_AGGREGATE_RETURN_POINTER
  88 #define KEEP_AGGREGATE_RETURN_POINTER 1
  89
  90 #undef DBX_REGISTER_NUMBER
  91 #define DBX_REGISTER_NUMBER(n) (svr4_dbx_register_map[n])
  92
  93 /* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop).  */
  94 #define HANDLE_PRAGMA_PACK_PUSH_POP
  95
  96 /* Default structure packing is 1-byte. */
  97 #define TARGET_DEFAULT_PACK_STRUCT 1
  98
  99 #undef WCHAR_TYPE
 100 #define WCHAR_TYPE "short unsigned int"
 101
 102 #undef WCHAR_TYPE_SIZE
 103 #define WCHAR_TYPE_SIZE 16
 104
 105 #undef WINT_TYPE
 106 #define WINT_TYPE "int"
 107
 108 /* A C statement (sans semicolon) to output to the stdio stream
 109    FILE the assembler definition of uninitialized global DECL named
 110    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
 111    Try to use asm_output_aligned_bss to implement this macro.  */
 112
 113 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
 114   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 115
 116 /* Handle special EH pointer encodings.  Absolute, pc-relative, and
 117    indirect are handled automatically.  */
 118 #define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
 119   do {                                                                  \
 120     if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel)         \
 121       {                                                                 \
 122         fputs (ASM_LONG, FILE);                 \
 123         assemble_name (FILE, XSTR (ADDR, 0));                           \
 124         fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
 125         goto DONE;                                                      \
 126       }                                                                 \
 127   } while (0)
 128
 129 /* there is no TLS support in NLMs/on NetWare */
 130 #undef HAVE_AS_TLS
 131
 132 #define HAS_INIT_SECTION
 133 #undef  INIT_SECTION_ASM_OP
 134
 135 #define CTOR_LISTS_DEFINED_EXTERNALLY
 136
 137 #undef  READONLY_DATA_SECTION_ASM_OP
 138 #define READONLY_DATA_SECTION_ASM_OP    ".section\t.rodata"
 139
 140 /* Define this macro if references to a symbol must be treated
 141    differently depending on something about the variable or
 142    function named by the symbol (such as what section it is in).
 143
 144    On i386 running NetWare, modify the assembler name with an underscore (_)
 145    prefix and a suffix consisting of an atsign (@) followed by a string of
 146    digits that represents the number of bytes of arguments passed to the
 147    function, if it has the attribute STDCALL. Alternatively, if it has the
 148    REGPARM attribute, prefix it with an underscore (_), a digit representing
 149    the number of registers used, and an atsign (@). */
 150 void i386_nlm_encode_section_info (tree, rtx, int);
 151 const char *i386_nlm_strip_name_encoding (const char *);
 152 #define SUBTARGET_ENCODE_SECTION_INFO  i386_nlm_encode_section_info
 153 #undef  TARGET_STRIP_NAME_ENCODING
 154 #define TARGET_STRIP_NAME_ENCODING  i386_nlm_strip_name_encoding